package com.suyi.utils;

import com.suyi.pojo.Content;
import org.jsoup.Jsoup;
import org.jsoup.nodes.Document;
import org.jsoup.nodes.Element;
import org.jsoup.select.Elements;
import org.springframework.stereotype.Component;
import sun.plugin2.gluegen.runtime.CPU;

import java.io.IOException;
import java.net.MalformedURLException;
import java.net.URL;
import java.sql.SQLOutput;
import java.util.ArrayList;
import java.util.List;

/**
 * @author Lucifer
 */
@Component
public class HtmlParseUtil {
    public static void main(String[] args) throws IOException {
        new HtmlParseUtil().parseJD("心理学").forEach(System.out:: println);
    }

    public List<Content> parseJD(String keywords) throws IOException {
        String url = "https://search.jd.com/Search?keyword="+keywords+"&enc=utf-8";

        //解析网页
        Document document = Jsoup.parse(new URL(url), 30000);
        Element element = document.getElementById("J_goodsList");
        //获取所有的li元素
        Elements elements = element.getElementsByTag("li");

        ArrayList<Content> goodsList = new ArrayList<>();

        //获取元素中的内容  就是每一个li 标签
        for (Element el : elements) {
            String img = el.getElementsByTag("img").eq(0).attr("data-lazy-img");
            String price = el.getElementsByClass("p-price").eq(0).text();
            String title = el.getElementsByClass("p-name").eq(0).text();

            Content content = new Content();
            content.setTitle(title);
            content.setPrice(price);
            content.setImg(img);

            goodsList.add(content);

        }
        return goodsList;
    }
}
